Citazione Stile APA (7a Edizione)

Tullis, M. A., & Polkinghorn, P. K. (1992). Valuation of life insurance liabilities (2a. ed.). ACTEX Publications.

Citazione stile Chigago Style (17a edizione)

Tullis, Mark A., e Philip K. Polkinghorn. Valuation of Life Insurance Liabilities. 2a. ed. Winchester: ACTEX Publications, 1992.

Citatione MLA (9a ed.)

Tullis, Mark A., e Philip K. Polkinghorn. Valuation of Life Insurance Liabilities. 2a. ed. ACTEX Publications, 1992.